$OpenBSD: patch-sound_aosound_c,v 1.1 2014/06/09 08:55:00 bentley Exp $
From upstream r5016.
--- sound/aosound.c.orig	Thu May 16 14:26:12 2013
+++ sound/aosound.c	Tue Apr 29 03:15:05 2014
@@ -78,14 +78,14 @@ driver_error( void )
   }
 }
 
-static void
+static int
 parse_driver_options( const char *device, int *driver_id, ao_option **options )
 {
   char *mutable, *option, *key, *value;
 
   /* Get a copy of the device string we can modify */
   if( !device || *device == '\0' )
-    return;
+    return 1;
 
   mutable = utils_safe_strdup( device );
 
@@ -119,6 +119,7 @@ parse_driver_options( const char *device, int *driver_
   }
 
   free( mutable );
+  return 0;
 }
 
 int
